May Weather in Yancheng, China

Last updated: August 21, 2025

In May, Yancheng, China experiences a notable shift in weather, marked by a rising average temperature of 14°C (58°F), with daytime highs reaching a pleasant 30°C (86°F). However, the nights can be cooler, dipping to a minimum of -2°C (29°F). This month witnesses approximately 40 mm (1.6 in) of precipitation spread over five rainy days, contributing to a moderate humidity of 49%. Such climatic conditions create a refreshing atmosphere, perfectly suited for outdoor activities and exploration.

May Temperature in Yancheng

In Yancheng, China, May ushers in a significant warmth compared to the harsh winter months that precede it. With temperatures starting at a minimum of -2°C (29°F) and soaring to a maximum of 30°C (86°F), the region experiences a delightful transition into spring. The average temperature rises to a comfortable 14°C (58°F), marking a clear departure from the biting cold of earlier months. As nature awakens, this month not only showcases the potential for sunny days but also encourages outdoor activities after a long winter. Thus, May is characterized by a pleasant warmth, setting a promising tone for the upcoming summer months.

May Weather in Yancheng: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Yancheng, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yancheng, May typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec142136475866686557433116
Data source: Temperature data for Yancheng generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Yancheng

In May, Yancheng, China experiences a notable increase in precipitation, with 40 mm (1.6 in) of rainfall occurring over 5 days. This trend marks a significant rise from previous months, as April brought only 37 mm (1.5 in) in rainfall across 6 days. As spring unfolds, May not only signals the arrival of more frequent showers but also sets the stage for the even wetter months ahead, like June, which averages 63 mm (2.5 in). The progressive increase in rainfall reflects the transition towards the summer monsoon, contributing positively to the region's agricultural needs and ecosystem vitality.

May Precipitation Trends in Yancheng

The chart displays monthly precipitation patterns in Yancheng, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Yancheng, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec48253741631501356058194
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Yancheng

In May, humidity in Yancheng, China, takes a noticeable dip to 49%, marking it as the lowest point of the year. This decline follows a relatively humid April, which saw levels at 64%, and contrasts with the wetness anticipated in the upcoming summer months. As the year progresses, humidity levels tend to rebound, climbing to 57% in June and reaching a peak of 61% in August. Overall, the trend indicates a seasonal fluctuation, where the spring's moist air gives way to a brief respite in May before the humidity rises again during the warmer months ahead.

May Average Humidity in Yancheng

This chart illustrates the average monthly humidity levels in Yancheng, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Yancheng is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec57%56%54%64%50%57%59%61%57%67%64%66%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Yancheng

As May approaches in Yancheng, China, the UV Index reaches a striking 10, categorizing it as very high and indicating a potential burn time of just 15 minutes for unprotected skin. This marks a notable increase from April's UV Index of 9 and illustrates the escalating intensity of sunlight as summer nears. As one can see, the UV Index has been steadily rising since the start of the year, with the exposure category shifting from moderate in January and February to high in March, culminating in this peak during May. As temperatures warm, it’s important to stay vigilant and protect your skin from the sun. For detailed UV forecasts for Yancheng, visit Yancheng UV Index.

Maximum UV Index Levels in Yancheng for May

The chart shows the monthly maximum UV Index (UVI) for Yancheng in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Yancheng typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3469101111118742
Data source: Yancheng May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

May Sunshine in Yancheng

May brings a delightful peak of sunshine to Yancheng, China, with 340 hours of glorious daylight that sets the stage for outdoor adventures and vibrant festivities. As the spring blossoms flourish, the sunshine hours steadily climb from 218 in January to a remarkable 304 in April, showcasing a transition from winter's chill to the warmth of summer. After May, the sun continues to generously brighten the days, with 346 hours in July, creating a sun-soaked indulgence that carries on through the summer months. However, as autumn approaches, the daylight gradually diminishes, tapering to 286 hours in September and further down to 259 in November. This intriguing pattern highlights Yancheng's seasonal rhythm, where May stands out as a sun-kissed highlight in the annual cycle.

Monthly Sunshine Duration in Yancheng: May Highlighted

The May sunshine duration represents the total number of hours Yancheng experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec218h271h303h304h340h331h346h330h286h266h259h270h
Data source: Yancheng May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Yancheng During May

In Yancheng, China, the likelihood of sunny weather shows intriguing seasonal variations. While January kicks off the year with a robust 80% chance of sunshine, this figure gradually diminishes as winter wanes into spring, dropping to 38% by April. However, May marks a notable rebound, with the probability of sunny days rising to 60%, suggesting a delightful transition into warmer weather. As summer approaches, the chances fluctuate again, hovering around 48% to 56% from June to July before dipping slightly in August. Overall, May stands out as a promising month, bridging the gap between spring's unpredictability and the forthcoming summer sunshine.

Percentage of Sunny Days in May in Yancheng

The chart illustrates the percentage of sunny days in Yancheng throughout the year, with May highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Yancheng experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec80%71%51%38%60%48%56%50%46%48%76%82%
Data source: Yancheng May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Yancheng in May

In Yancheng, China, the arrival of May heralds a delightful increase in daylight, extending to a generous 14 hours. This month stands at the peak of a gradual ascent that begins in January with just 9 hours of sunlight. As winter gives way to spring, daylight steadily lengthens—by March, it reaches 11 hours, and by April, it blooms to 13 hours, creating a vibrant atmosphere. Following May, the daylight holds steady through the early summer months of June and July, maintaining that enticing 14-hour span. However, as autumn approaches, daylight begins its slow retreat, sliding back down to 10 hours in November and eventually to 9 hours by December. This cyclical pattern not only marks the seasonal transitions but also enriches the daily experience, inviting residents and visitors alike to savor the long, sunlit days.

Average Daylight Hours in Yancheng for May

The chart illustrates the variation in daylight duration in Yancheng throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 45m10h 43m11h 57m13h 13m14h 17m14h 50m14h 33m13h 37m12h 24m11h 9m10h 2m9h 28m
Data source: Yancheng daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Yancheng

In Yancheng, China, May brings a notable increase in average wind speed, reaching 3.9 m/s (9 mph), the highest of the year thus far. This uptick reflects a shift from the calmer months of early spring, where wind speeds lingered around 2.8 to 3.1 m/s. As winter transitions into summer, the invigorating breezes of May serve as a refreshing contrast to the more tranquil days of previous months. Following May, however, the wind speeds begin to taper off again, with June and July showing a decline. This pattern highlights May's role as a pivotal point in the seasonal transition, providing both a breath of fresh air and a hint of the warmth to come.

Average May Wind Speed in Yancheng

The chart displays monthly wind speed patterns in Yancheng, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.63.12.83.13.9 m/s2.72.52.32.42.43.02.7
Data source: Yancheng May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Yancheng Compares to Other Months

Weather in Yancheng varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Yancheng, focusing on differences in temperature, rainfall, humidity, and UV levels.

May and January present striking contrasts in weather. In May, temperatures range from a chilly minimum of -2°C (29°F) to a warm maximum of 30°C (86°F), with an average of 14°C (58°F). The month sees an average of 40 mm (1.6 in) of precipitation over about 5 days, along with a humidity level of 49%. In contrast, January is significantly colder, with temperatures peaking at just 6°C (43°F) and plunging to a frigid minimum of -28°C (-18°F), leading to an average of -10°C (15°F). Precipitation is relatively low in January at only 4 mm (0.2 in) occurring over just 1 day, but humidity is higher at 57%. For more details on January weather, check out Yancheng weather in January.

May and February present stark contrasts in weather conditions. In May, temperatures range from a chilly minimum of -2°C to a warm 30°C, averaging around 14°C, while February sees much colder temperatures, with a minimum of -25°C and a maximum of only 13°C, averaging -6°C. Additionally, May experiences more rainfall with about 40 mm over 5 days, while February has just a minimal 8 mm of precipitation across 1 day. Humidity levels are somewhat higher in February at 56%, compared to May's 49%. For a closer look at February weather specifics, you can visit Yancheng weather in February.

In comparing the weather patterns of May and March, we observe notable differences in temperature and humidity. May typically experiences a much milder climate, with average temperatures around 14°C (58°F) and maximums reaching up to 30°C (86°F). In contrast, March is significantly cooler, with average temperatures only at 2°C (37°F) and minimum lows dropping to -14°C (7°F). Both months see about five days of precipitation, but May has a higher total precipitation of 40 mm (1.6 in) compared to March's 25 mm (1.0 in). Additionally, while humidity levels in March are slightly higher at 54%, May offers a more comfortable average of 49%. For a closer look at March weather specifics, you can visit Yancheng weather in March.

In comparing the weather of May and April, May generally offers a warmer climate with average temperatures reaching 14°C (58°F) compared to April's cooler average of 8°C (47°F). While both months experience significant variation in temperature, with May's maximum soaring to 30°C (86°F) and April's reaching 25°C (77°F), May also benefits from slightly lower humidity at 49% compared to April's 64%. Precipitation levels are fairly similar, with May receiving 40 mm (1.6 in) over 5 days and April recording 37 mm (1.5 in) over 6 days. For more detailed insights, you can check Yancheng weather in April.

In May, temperatures in Yancheng range from a brisk minimum of -2°C (29°F) to a warm maximum of 30°C (86°F), with an average temperature of 14°C (58°F). The month sees relatively low precipitation, totaling 40 mm (1.6 in) spread over 5 days, and humidity levels average around 49%.

In contrast, June experiences milder night temperatures, with a minimum of 6°C (43°F), and an increase in average temperatures to 19°C (66°F). This month also witnesses a slight rise in maximum temperatures, reaching up to 31°C (88°F). Rainfall increases to 63 mm (2.5 in) over 8 days, accompanied by higher humidity levels averaging 57%. For more detailed information, you can check out Yancheng weather in June.

May typically experiences a broader range of temperatures, with minimums dipping as low as -2°C (29°F) and maximums reaching 30°C (86°F). In contrast, July starts warmer, with minimum temperatures around 9°C (49°F) and averages climbing to 20°C (69°F), peaking at 31°C (89°F). Additionally, July is characterized by more precipitation, totaling 150 mm (5.9 in) over 14 days, compared to May's 40 mm (1.6 in) over just 5 days. The humidity also increases in July, averaging 58%, compared to May's 49%. For a closer look at July weather conditions, check out Yancheng weather in July.

In comparing the weather between May and August, we see some notable differences. May experiences a wider temperature range, with minimums dropping to -2°C (29°F) and maximums reaching up to 30°C (86°F), averaging around 14°C (58°F). In contrast, August's temperatures are milder, with minimums at 7°C (45°F) and an average of 19°C (66°F), while still hitting the same maximum of 30°C (86°F). Precipitation is also significantly higher in August at 135 mm (5.3 in), occurring over 13 days, compared to May's 40 mm (1.6 in) spread across just 5 days. The humidity levels rise in August as well, averaging 61% compared to May's 49%. For more details on August weather, check out Yancheng weather in August.

May and September exhibit distinct weather characteristics despite sharing a similar average temperature of 14°C (58°F). In May, temperatures can fluctuate dramatically, ranging from a chilly -2°C (29°F) to a warm 30°C (86°F), while September's temperatures are more stable, with a minimum of 2°C (35°F) and a maximum of 28°C (82°F). Additionally, May experiences less precipitation at 40 mm (1.6 in) over about 5 days, compared to September's wetter conditions, which see 60 mm (2.4 in) across approximately 9 days. Humidity also rises in September, reaching 57%, compared to May's 49%. For more detailed insights into September weather, you can check Yancheng weather in September.

In comparing the weather between May and October, significant differences emerge in both temperature and precipitation patterns. May boasts a milder average temperature of 14°C (58°F), with highs reaching up to 30°C (86°F) and lows only dropping to -2°C (29°F), while October sees a cooler average of 6°C (44°F) with maximum temperatures of 25°C (77°F) and minimums dropping to -6°C (21°F). Additionally, October experiences higher precipitation, totaling 57 mm (2.3 in) over about 7 days, compared to May's 40 mm (1.6 in) across 5 days, and this contributes to a notable increase in humidity from 49% in May to 67% in October. For more detailed insights into the October climate, you can check Yancheng weather in October.

May and November present contrasting weather patterns, highlighting the transition from spring to late autumn. In May, temperatures range from a chilly -2°C (29°F) at night to a warm 30°C (86°F) during the day, with an average of 14°C (58°F). The month sees about 40 mm (1.6 in) of precipitation over five days, accompanied by a comfortable humidity level of 49%. In stark contrast, November experiences much colder temperatures, with nightly lows plummeting to -17°C (1°F) and daytime highs only reaching 14°C (58°F), averaging around -1°C (31°F). Precipitation in November is significantly lower at 18 mm (0.7 in), occurring across just three days, but humidity rises to 64%, contributing to a starkly different feel in the air. For more details on November weather, you can visit Yancheng weather in November.

May and December display strikingly contrasting weather patterns. In May, temperatures range from a brisk -2°C (29°F) at night to a warm 30°C (86°F) during the day, with an average of 14°C (58°F). The month also experiences moderate precipitation of 40 mm (1.6 in) over about 5 days, coupled with a relatively low humidity of 49%. In stark contrast, December is much colder, with temperatures plummeting to a minimum of -25°C (-13°F) and an average of -9°C (16°F), peaking at just 7°C (44°F). The month sees minimal precipitation of only 4 mm (0.2 in) and has no rainy days, alongside a higher humidity level of 66%. For more detailed insights on December's conditions, check out Yancheng weather in December.

Compare Yancheng's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Yancheng

As May unfolds in Yancheng, the weather begins to warm up significantly, offering a refreshing change from the cooler months that precede it. With maximum temperatures climbing to a delightful 30°C (86°F), the city basks in the embrace of more pleasant days, while the average temperature hovers around a comfortable 14°C (58°F). Compared to previous months, May sees a marked increase in warmth, yet it still retains a hint of crispness at night, making outdoor evenings enjoyable. Though the month experiences some rain, averaging 40 mm (1.6 in) over just 5 days, the overall humidity level of 49% strikes a balance, avoiding the discomfort of the sultry summer that follows. For a deeper dive into what makes Yancheng's weather unique, check out Yancheng Climate.